The era of socialism with Chinese characteristics and the century-long unprecedented changes in the world are intertwined and mutually stimulating. With the coordinated promotion of the strategic deployment of achieving carbon peaks and carbon neutrality and the overall layout of ecological civilization construction, the national policy dividend is favorable to hydroelectric power development, and hydroelectric energy development presents huge advantages and development prospects. However, at present, hydropower development is constrained by non-engineering technical issues, especially the resettlement and relocation activities caused by the submergence of reservoirs have become one of the most concerned issues. In the context of China's vigorous promotion of new urbanization, it is worth conducting in-depth research on how to seize this historical opportunity and integrate the resettlement of rural migrants from reservoir projects into the development process of new urbanization. This article takes the basic elements of reservoir resettlement as a starting point, conducts an in-depth analysis of three key elements, and uses this as the basis to construct an urbanization resettlement analysis framework alled “production resettlement-living resettlement-institutional arrangement.” Based on this, it focuses on the core issue of production resettlement, and endeavors to propose an enclave economic model in areas with more developed secondary and tertiary industries. Simultaneously, this model is applied to the “NA” reservoir in Zhejiang, calculating the value of land resources in the reservoir area, proposing specific purchase plans for the resettlement area by cross-township, and analyzing the effects of immigrant resettlement. This study found through empirical research that: 1) By trading submerged resources (land requisition comprehensive area price) in the reservoir area plus non-submerged resources (land transfer and custody price) for industrial land, the preferred purchase solution for industrial land is 1298.83 acres of industrial land plus 0 acres of standard factories, while the preferred purchase solution for standard factory is 0 acres of industrial land plus 116.80 acres of standard factories. By trading submerged resource in the reservoir area plus non-submerged resources (land requisition comprehensive area price) for industrial land, the preferred purchase solution for industrial land is 3,827.03 acres of industrial land plus 0 acres of standard factories, while the preferred purchase solution for standard factory is 0 acres of industrial land plus 344.15 acres of standard factories. 2) The submerged resources (land requisition comprehensive area price) and non-submerged resources (land transfer and custody price) in the reservoir area can be purchased with 115.03 to 122.02 mu of standard factories. The per capita annual rental income in the base year is 5879.02 to 6236.27 yuan, and the per capita annual rental income in the planning year is 5991.81 to 6355.91 yuan. The submerged resources and non-submerged resources (land requisition comprehensive area price) in the reservoir area can be purchased with 338.93 to 359.52 mu of standard factories. The per capita annual rental income in the base year is 173,222.3 to 183,744.5 yuan, and the per capita annual rental income in the planning year is 176,545.7 to 187,270.8 yuan. Accordingly, whether using the calculation method of submerged resources (land requisition comprehensive area price) and non-submerged resources (land transfer and custody price) or submerged resources and non-submerged resources (land requisition comprehensive area price), the per capita rental income of immigrants exceeds the per capita agricultural net income of immigrants from the base year to the planning year. Therefore, the enclave economic model has a great promoting effect on the future production recovery and development of immigrants and can fully ensure the improvement of their production income level and sustainable development after resettlement.